1 files changed, 57 insertions, 0 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/filter/ResponseHeaderFilter.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/filter/ResponseHeaderFilter.java
new file mode 100644
index 00000000..33f60f83
--- /dev/null
+++ b/subsonic-main/src/main/java/net/sourceforge/subsonic/filter/ResponseHeaderFilter.java
@@ -0,0 +1,57 @@
+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic.  If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package net.sourceforge.subsonic.filter;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import java.io.*;
+import java.util.*;
+
+/**
+ * Configurable filter for setting HTTP response headers. Can be used, for instance, to
+ * set cache control directives for certain resources.
+ *
+ * @author Sindre Mehus
+ * @version $Revision: 1.1 $ $Date: 2005/08/14 13:14:47 $
+ */
+public class ResponseHeaderFilter implements Filter {
+    private FilterConfig filterConfig;
+
+    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
+            throws IOException, ServletException {
+        HttpServletResponse response = (HttpServletResponse) res;
+
+        // Sets the provided HTTP response parameters
+        for (Enumeration e = filterConfig.getInitParameterNames(); e.hasMoreElements();) {
+            String headerName = (String) e.nextElement();
+            response.addHeader(headerName, filterConfig.getInitParameter(headerName));
+        }
+
+        // pass the request/response on
+        chain.doFilter(req, response);
+    }
+
+    public void init(FilterConfig filterConfig) {
+        this.filterConfig = filterConfig;
+    }
+
+    public void destroy() {
+        this.filterConfig = null;
+    }
+}
+\ No newline at end of file